Answer:
no value of X so no answer
Step-by-step explanation:
X=1
solve for x by simplifying both sides
Answer:
$40
Step-by-step explanation:
If he spent $40 and has none left that means he currently has $0.
If you subtract $40 - b = $0
b = $40
Answer:
d = m / v.
Step-by-step explanation:
The density is a measure of the specific weight of a substance or object.
This is, the mass per unit of volume. Then, the average density is the ratio of the mass of a body to the volume it occupies in space:
The equation for density is:

being m the total mass in the volume, and V the volume.
The answer is 56 cars because there is 2800 litres in the pump so if its 50 litres its going to be 2800/50=56